USS Helena (SSN-725)

History
United States
Name	USS Helena
Namesake	The City of Helena, Montana
Awarded	19 April 1982
Builder	General Dynamics Electric Boat
Laid down	28 March 1985
Launched	28 June 1986
Sponsored by	Mrs. Jean Busey
Commissioned	11 July 1987
Homeport	Norfolk, Virginia
Identification	UIC 21367
Motto	Proud and Fearless
Status	in active service
Badge
General characteristics
Class and type	Los Angeles-class submarine
Displacement	5,808 long tons (5,901 t) light 6,203 long tons (6,303 t) full 395 long tons (401 t) dead
Length	110.3 m (361 ft 11 in)
Beam	10 m (32 ft 10 in)
Draft	9.4 m (30 ft 10 in)
Installed power	Steam Turbine (nuclear)
Propulsion	1 × S6G PWR nuclear reactor with D2W core (165 MW), HEU 93.5%[1][2] 2 × steam turbines (33,500) shp 1 × shaft 1 × secondary propulsion motor 325 hp (242 kW)
Complement	12 officers; 98 enlisted
Armament	4 × 21 in (533 mm) bow tubes, 10 Mk48 ADCAP torpedo reloads, Tomahawk land attack missile block 3 SLCM range 1,700 nautical miles (3,100 km), Harpoon anti–surface ship missile range 70 nautical miles (130 km), mine laying Mk67 mobile Mk60 captor mines

USS Helena (SSN-725), a Los Angeles-class submarine, was the fourth ship of the United States Navy to be named for Helena, Montana. The contract to build her was awarded to the Electric Boat Division of General Dynamics Corporation in Groton, Connecticut on 19 April 1982 and her keel was laid down on 28 March 1985. She was launched on 28 June 1986 sponsored by Mrs. Jean Busey, and commissioned on 11 July 1987. She is scheduled to be decommissioned in 2024 at the Puget Sound Naval Shipyard.

This article includes information collected from the public domain sources Dictionary of American Naval Fighting Ships and Naval Vessel Register.

Wikimedia Commons has media related to USS Helena (SSN-725).

• Official website
• Naval Vessel Register entry for USS Helena
• Commanding Office Change